J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Tcichem, Inc.
Telephone 13918644899
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19113/0.htm
Shanghai Benso Pharmaceutical Technology Co., Ltd.
Telephone 15088289376
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30682/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
